Searching strings for a substring.
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# counting the occurrences of a substring
string1 = "Test1, test2, test3, test4, Test5, test6"
print '"test" occurs %d times in nt%s' % ( string1.count( "test" ), string1 )
print '"test" occurs %d times after 18th character in nt%s' % ( string1.count( "test", 18, len( string1 ) ), string1 )
print
# finding a substring in a string
string2 = "Odd or even"
print '"%s" contains "or" starting at index %d' % ( string2, string2.find( "or" ) )
# find index of "even"
try:
print '"even" index is', string2.index( "even" )
except ValueError:
print '"even" does not occur in "%s"' % string2
if string2.startswith( "Odd" ):
print '"%s" starts with "Odd"' % string2
if string2.endswith( "even" ):
print '"%s" ends with "even"n' % string2
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